hnjon 12,499,999 is a prime number, it has no factors and it's single. 12,500,001 is a composite number, it has 2 numbers multiplied together, 2 is a prime number without factors, 1 is a prime nor composite number, it is known as the multiplicative identity or a unit. 0 is an integer with several intuitive-counter properties, it is known as the additive identity. 1.00000008. numbermatics !
